:root {
  --bg: #f5f7ff;
  --nav: rgba(12, 18, 40, .94);
  --title: #131a35;
  --brand: #5b6cff;
  --deep: #16213e;
  --cyan: #00d4ff;
  --gold: #ffc857;
  --red: #d94f70;
  --lavender: #7a5cff;
  --text: #1f2740;
  --muted: #66708a;
  --soft: #9aa4ba;
  --card: #fff;
  --dark-card: #11182f;
  --border: rgba(91, 108, 255, .18);
  --shadow: 0 20px 46px rgba(25, 43, 91, .14);
  --radius: 24px;
  --gradient: linear-gradient(135deg, #5b6cff 0%, #7a5cff 48%, #00d4ff 100%);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--text); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif; line-height: 1.75; overflow-x: hidden; }
body.drawer-open { overflow: hidden; }
a { color: inherit; }
img { display: block; max-width: 100%; height: auto; }
button, input, textarea, select { font: inherit; }
.container { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }
.skip-link { position: fixed; left: 12px; top: -60px; z-index: 12000; background: #fff; color: var(--title); padding: 10px 16px; border-radius: 10px; box-shadow: var(--shadow); }
.skip-link:focus { top: 12px; }
.site-header { position: sticky; top: 0; z-index: 9999; width: 100%; background: var(--nav); backdrop-filter: blur(12px); box-shadow: 0 8px 26px rgba(25, 43, 91, .16); }
.header-inner { width: min(1280px, calc(100% - 32px)); margin: 0 auto; min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 22px; }
.site-logo { display: inline-flex; align-items: center; gap: 10px; color: #fff; text-decoration: none; font-size: 24px; font-weight: 800; letter-spacing: .02em; flex: 0 0 auto; }
.site-logo img { width: 44px; height: 44px; object-fit: contain; }
.nav-core { display: flex; align-items: center; justify-content: center; gap: 6px; flex: 1 1 auto; }
.nav-core a { color: #eef2ff; text-decoration: none; border-radius: 999px; padding: 8px 12px; font-size: 14px; white-space: nowrap; transition: .2s ease; }
.nav-core a:hover, .nav-core a.active { color: #fff; background: rgba(0, 212, 255, .16); }
.header-actions { display: flex; align-items: center; gap: 10px; flex: 0 0 auto; }
.main-btn { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 10px 22px; border: 0; border-radius: 999px; color: #fff; text-decoration: none; font-weight: 700; background: var(--gradient); box-shadow: 0 14px 32px rgba(91, 108, 255, .22); transition: transform .2s ease, box-shadow .2s ease; }
.main-btn:hover { transform: translateY(-2px); box-shadow: 0 18px 38px rgba(91, 108, 255, .3); }
.ghost-btn { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 10px 22px; border-radius: 999px; color: var(--brand); text-decoration: none; font-weight: 700; background: rgba(255, 255, 255, .82); border: 1px solid var(--border); }
.text-link { display: inline-flex; color: var(--brand); font-weight: 700; text-decoration: none; }
.text-link:hover { text-decoration: underline; }
.menu-toggle { width: 44px; height: 44px; border: 0; border-radius: 50%; background: rgba(255, 255, 255, .1); display: inline-flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px; cursor: pointer; }
.menu-toggle span { width: 18px; height: 2px; border-radius: 4px; background: #fff; }
.mobile-menu-toggle { display: none; }
.drawer-overlay { position: fixed; inset: 0; z-index: 10010; background: rgba(5, 9, 24, .58); backdrop-filter: blur(4px); }
.site-drawer { position: fixed; top: 0; right: 0; z-index: 10020; width: min(390px, 92vw); height: 100dvh; overflow-y: auto; background: #fff; padding: 24px; transform: translateX(105%); transition: transform .28s ease; box-shadow: -24px 0 60px rgba(7, 12, 36, .2); }
.site-drawer.is-open { transform: translateX(0); }
.drawer-head { display: flex; align-items: center; justify-content: space-between; }
.drawer-brand { display: flex; align-items: center; gap: 10px; color: var(--title); text-decoration: none; font-size: 22px; }
.drawer-brand img { width: 42px; height: 42px; object-fit: contain; }
.drawer-close { width: 42px; height: 42px; border: 1px solid var(--border); border-radius: 50%; background: #fff; color: var(--title); font-size: 28px; line-height: 1; cursor: pointer; }
.drawer-intro { color: var(--muted); font-size: 14px; }
.drawer-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 18px; }
.drawer-nav a { text-decoration: none; color: var(--title); background: #f6f8ff; border: 1px solid var(--border); border-radius: 14px; padding: 11px 12px; }
.drawer-nav a:hover { background: #eef2ff; color: var(--brand); }
.drawer-note { margin-top: 20px; padding: 14px; border-radius: 16px; background: #fff4d6; color: #66501e; font-size: 13px; }
h1, h2, h3, .section-title { color: var(--title); line-height: 1.22; margin-top: 0; }
p { margin: 0 0 1em; }
.section-space { padding: 86px 0; }
.soft-section { background: linear-gradient(180deg, rgba(234, 247, 255, .7), rgba(245, 247, 255, .2)); }
.section-kicker { display: inline-flex; align-items: center; gap: 8px; margin-bottom: 12px; color: var(--brand); font-size: 13px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.section-kicker::before { content: ""; width: 24px; height: 3px; border-radius: 999px; background: linear-gradient(90deg, var(--gold), var(--cyan)); }
.section-title { margin-bottom: 16px; font-size: clamp(30px, 4vw, 46px); }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 30px; margin-bottom: 34px; }
.section-heading > p { max-width: 520px; color: var(--muted); margin: 0; }
.home-hero { position: relative; overflow: hidden; padding: 76px 0 64px; background: radial-gradient(circle at 12% 20%, rgba(122, 92, 255, .16), transparent 34%), radial-gradient(circle at 86% 22%, rgba(0, 212, 255, .15), transparent 32%), linear-gradient(135deg, #f7f3ff 0%, #eff8ff 52%, #fff5fb 100%); }
.hero-grid { display: grid; grid-template-columns: 1.02fr .98fr; align-items: center; gap: 58px; }
.hero-badge { display: inline-flex; padding: 8px 14px; border-radius: 999px; background: rgba(255, 255, 255, .82); border: 1px solid var(--border); color: var(--brand); font-weight: 700; font-size: 13px; }
.hero-copy h1 { font-size: clamp(76px, 11vw, 150px); letter-spacing: -.06em; margin: 12px 0 0; background: var(--gradient); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-copy h2 { font-size: clamp(30px, 4.5vw, 54px); margin: -2px 0 22px; }
.hero-copy p { color: #4d5874; font-size: 16px; max-width: 720px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }
.hero-selling-points, .mini-points { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 20px; }
.hero-selling-points span, .mini-points span { padding: 7px 12px; border-radius: 999px; background: rgba(255, 255, 255, .78); border: 1px solid var(--border); color: var(--deep); font-size: 13px; }
.hero-visual { position: relative; min-height: 560px; display: flex; align-items: center; justify-content: center; }
.hero-visual img { position: relative; z-index: 2; max-height: 560px; object-fit: contain; filter: drop-shadow(0 34px 48px rgba(25, 43, 91, .18)); }
.hero-glow { position: absolute; border-radius: 50%; filter: blur(4px); }
.hero-glow-one { width: 360px; height: 360px; background: rgba(91, 108, 255, .16); }
.hero-glow-two { width: 240px; height: 240px; right: 2%; bottom: 4%; background: rgba(0, 212, 255, .16); }
.floating-card { position: absolute; z-index: 3; display: grid; gap: 2px; min-width: 170px; padding: 14px 16px; border: 1px solid rgba(255, 255, 255, .7); border-radius: 18px; background: rgba(255, 255, 255, .82); backdrop-filter: blur(14px); box-shadow: var(--shadow); }
.floating-card strong { color: var(--title); }
.floating-card span { color: var(--muted); font-size: 12px; }
.floating-card-one { left: 0; top: 18%; }
.floating-card-two { right: 0; bottom: 18%; }
.highlight-strip { position: relative; z-index: 4; margin-top: -18px; }
.highlight-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.highlight-grid article { display: flex; gap: 14px; padding: 20px; border-radius: 20px; background: #fff; border: 1px solid var(--border); box-shadow: var(--shadow); }
.highlight-grid article > span { flex: 0 0 38px; height: 38px; display: grid; place-items: center; border-radius: 12px; background: #eef2ff; color: var(--brand); font-weight: 800; }
.highlight-grid h2 { font-size: 17px; margin-bottom: 6px; }
.highlight-grid p { font-size: 13px; color: var(--muted); margin: 0; }
.channel-pills { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; }
.channel-pills a { min-height: 128px; display: flex; flex-direction: column; justify-content: space-between; gap: 12px; padding: 20px; border-radius: 20px; background: #fff; border: 1px solid var(--border); box-shadow: 0 12px 30px rgba(25, 43, 91, .08); text-decoration: none; transition: transform .2s ease, box-shadow .2s ease; }
.channel-pills a:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.channel-pills strong { color: var(--title); font-size: 17px; }
.channel-pills span { color: var(--muted); font-size: 13px; }
.visual-story-strip { padding: 0 0 30px; }
.visual-story-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.visual-story-grid figure { position: relative; min-height: 250px; margin: 0; overflow: hidden; border-radius: 24px; background: #fff; border: 1px solid var(--border); box-shadow: var(--shadow); }
.visual-story-grid img { width: 100%; height: 250px; object-fit: contain; padding: 14px; background: linear-gradient(135deg, #f4f0ff, #eaf7ff); }
.visual-story-grid figcaption { position: absolute; left: 16px; bottom: 16px; padding: 7px 12px; border-radius: 999px; color: #fff; background: rgba(17, 24, 47, .82); backdrop-filter: blur(8px); font-weight: 700; font-size: 13px; }
.media-copy-grid { display: grid; grid-template-columns: .92fr 1.08fr; gap: 58px; align-items: center; }
.reverse-grid { grid-template-columns: 1.08fr .92fr; }
.media-frame { position: relative; min-height: 430px; display: grid; place-items: center; border-radius: 32px; overflow: hidden; background: linear-gradient(135deg, #eef2ff, #eaf7ff 52%, #fff4d6); border: 1px solid var(--border); box-shadow: var(--shadow); padding: 24px; }
.media-frame::after { content: ""; position: absolute; inset: auto -50px -70px auto; width: 230px; height: 230px; border-radius: 50%; background: rgba(122, 92, 255, .15); }
.media-frame img { position: relative; z-index: 1; max-height: 440px; object-fit: contain; }
.copy-panel p { color: var(--muted); }
.dual-feature-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.feature-card, .service-card, .security-card, .review-card, .article-card, .faq-page-list details { background: #fff; border: 1px solid var(--border); box-shadow: var(--shadow); border-radius: var(--radius); }
.feature-card { padding: 26px; overflow: hidden; }
.feature-card > img { width: 100%; height: 270px; object-fit: contain; border-radius: 20px; background: linear-gradient(135deg, #f3f0ff, #eaf7ff); margin-bottom: 24px; }
.feature-card p { color: var(--muted); }
.check-list { list-style: none; padding: 0; margin: 18px 0; display: grid; gap: 10px; }
.check-list li { position: relative; padding-left: 28px; color: var(--text); }
.check-list li::before { content: "✓"; position: absolute; left: 0; top: 1px; width: 20px; height: 20px; display: grid; place-items: center; border-radius: 50%; color: #fff; background: var(--brand); font-size: 12px; }
.triple-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.service-card { padding: 22px; }
.service-card img { width: 100%; height: 210px; object-fit: contain; border-radius: 18px; background: #f3f6ff; margin-bottom: 20px; }
.service-card p { color: var(--muted); }
.security-section { background: #11182f; }
.security-grid { display: grid; gap: 20px; }
.security-card { display: grid; grid-template-columns: 300px 1fr; gap: 32px; align-items: center; padding: 26px; }
.security-card img { width: 100%; max-height: 250px; object-fit: contain; border-radius: 20px; background: #eff8ff; }
.security-card p { color: var(--muted); }
.review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.review-card { margin: 0; padding: 24px; }
.review-card p { color: var(--text); }
.review-card cite { color: var(--muted); font-style: normal; font-size: 13px; }
.faq-home-grid { display: grid; grid-template-columns: .75fr 1.25fr; gap: 46px; align-items: start; }
.faq-home-intro { position: sticky; top: 110px; }
.faq-list { display: grid; gap: 12px; }
.faq-list details { background: #fff; border: 1px solid var(--border); border-radius: 16px; padding: 0 18px; }
.faq-list summary { cursor: pointer; color: var(--title); font-weight: 700; padding: 18px 0; }
.faq-list p { color: var(--muted); padding: 0 0 18px; margin: 0; }
.compliance-home { padding-top: 10px; }
.compliance-panel { display: flex; align-items: center; justify-content: space-between; gap: 32px; padding: 36px; border-radius: 28px; background: linear-gradient(135deg, #fff4d6, #eef2ff 52%, #eaf7ff); border: 1px solid var(--border); box-shadow: var(--shadow); }
.compliance-panel > div { max-width: 850px; }
.compliance-panel p { color: #596078; margin: 0; }
.inner-hero { overflow: hidden; background: radial-gradient(circle at 80% 15%, rgba(0, 212, 255, .14), transparent 28%), radial-gradient(circle at 12% 20%, rgba(122, 92, 255, .16), transparent 34%), linear-gradient(135deg, #f7f3ff, #eff8ff 58%, #fff7fb); padding: 74px 0 70px; }
.inner-hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 54px; align-items: center; }
.inner-hero-copy h1 { font-size: clamp(40px, 6vw, 68px); letter-spacing: -.03em; margin-bottom: 20px; }
.lead { color: #56617a; font-size: 18px; max-width: 720px; }
.inner-hero-media { margin: 0; min-height: 400px; display: grid; place-items: center; border-radius: 32px; background: rgba(255, 255, 255, .58); border: 1px solid rgba(255, 255, 255, .85); box-shadow: var(--shadow); padding: 26px; }
.inner-hero-media img { max-height: 410px; object-fit: contain; }
.article-stack { display: grid; gap: 22px; }
.article-card { display: grid; grid-template-columns: 90px 1fr; gap: 18px; padding: 30px; }
.article-card-alt { background: linear-gradient(135deg, #fff, #f5f8ff); }
.article-number { width: 64px; height: 64px; display: grid; place-items: center; border-radius: 20px; background: var(--gradient); color: #fff; font-weight: 800; font-size: 20px; }
.article-content h2 { font-size: 30px; margin-bottom: 16px; }
.article-content p { color: var(--muted); }
.split-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 36px; }
.compact-reviews { display: grid; gap: 14px; }
.faq-page-list { display: grid; gap: 14px; max-width: 980px; }
.faq-page-list details { padding: 0 24px; }
.faq-page-list summary { display: flex; align-items: center; gap: 14px; padding: 22px 0; color: var(--title); font-weight: 800; cursor: pointer; }
.faq-page-list summary span { width: 36px; height: 36px; display: grid; place-items: center; border-radius: 12px; background: #eef2ff; color: var(--brand); font-size: 12px; }
.faq-page-list p { padding: 0 0 24px 50px; color: var(--muted); margin: 0; }
.site-footer { background: #0b1024; color: #eef2ff; padding: 68px 0 24px; }
.footer-grid { display: grid; grid-template-columns: 1.5fr repeat(3, 1fr); gap: 36px; }
.footer-grid h2 { color: #fff; font-size: 16px; margin-bottom: 16px; }
.footer-grid > div:not(.footer-brand) { display: flex; flex-direction: column; gap: 9px; }
.footer-grid a { color: #cbd4f4; text-decoration: none; font-size: 14px; }
.footer-grid a:hover { color: #fff; }
.footer-brand p { color: #aeb9dc; max-width: 420px; }
.footer-logo { margin-bottom: 16px; }
.footer-notice { margin-top: 36px; padding: 18px 20px; border-radius: 16px; background: rgba(255, 255, 255, .06); color: #c6d0ef; font-size: 13px; }
.footer-notice p { margin: 0; }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; margin-top: 24px; padding-top: 20px; border-top: 1px solid rgba(255, 255, 255, .1); color: #8f9abb; font-size: 13px; }
.footer-bottom a { color: #cbd4f4; text-decoration: none; }
.mobile-bottom-nav { display: none; }
@media (max-width: 1080px) {
  .nav-core { display: none; }
  .highlight-grid { grid-template-columns: repeat(2, 1fr); }
  .channel-pills { grid-template-columns: repeat(3, 1fr); }
  .hero-grid, .inner-hero-grid { grid-template-columns: 1fr; }
  .hero-visual { min-height: 480px; }
  .inner-hero-media { min-height: 340px; }
  .review-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1.4fr repeat(2, 1fr); }
  .footer-grid > div:last-child { grid-column: 2 / -1; }
}
@media (max-width: 760px) {
  .container { width: min(100% - 26px, 1180px); }
  .header-inner { width: calc(100% - 18px); min-height: 64px; gap: 8px; }
  .mobile-menu-toggle { display: inline-flex; }
  .desktop-menu-toggle { display: none; }
  .site-logo { position: absolute; left: 50%; transform: translateX(-50%); }
  .site-logo img { width: 38px; height: 38px; }
  .site-logo span { display: none; }
  .header-actions { margin-left: auto; }
  .header-cta { min-height: 38px; padding: 8px 14px; font-size: 13px; }
  .section-space { padding: 62px 0; }
  .home-hero { padding: 54px 0 34px; }
  .hero-copy h1 { font-size: 86px; }
  .hero-copy h2 { font-size: 34px; }
  .hero-visual { min-height: 390px; }
  .floating-card { min-width: 145px; padding: 11px 12px; }
  .floating-card-one { left: 2%; top: 10%; }
  .floating-card-two { right: 2%; bottom: 10%; }
  .highlight-strip { margin-top: 0; padding-top: 18px; }
  .highlight-grid, .dual-feature-grid, .triple-grid, .security-grid, .review-grid, .split-grid, .faq-home-grid, .media-copy-grid, .reverse-grid, .visual-story-grid, .footer-grid { grid-template-columns: 1fr; }
  .channel-pills { grid-template-columns: repeat(2, 1fr); }
  .channel-pills a { min-height: 116px; padding: 16px; }
  .media-frame { min-height: 320px; }
  .reverse-grid .copy-panel { order: 2; }
  .reverse-grid .media-frame { order: 1; }
  .security-card { grid-template-columns: 1fr; }
  .security-card img { max-height: 220px; }
  .section-heading { align-items: start; flex-direction: column; gap: 10px; }
  .faq-home-intro { position: static; }
  .compliance-panel { align-items: flex-start; flex-direction: column; padding: 26px; }
  .inner-hero { padding: 54px 0 50px; }
  .inner-hero-copy h1 { font-size: 42px; }
  .inner-hero-media { min-height: 280px; }
  .article-card { grid-template-columns: 1fr; padding: 24px; }
  .article-number { width: 52px; height: 52px; }
  .article-content h2 { font-size: 26px; }
  .footer-grid > div:last-child { grid-column: auto; }
  .footer-bottom { flex-direction: column; }
  .site-footer { padding-bottom: 106px; }
  .mobile-bottom-nav { position: fixed; left: 0; right: 0; bottom: 0; z-index: 9000; display: grid; grid-template-columns: repeat(4, 1fr); padding: 8px 10px calc(8px + env(safe-area-inset-bottom)); background: rgba(11, 16, 36, .96); backdrop-filter: blur(12px); box-shadow: 0 -10px 28px rgba(10, 16, 36, .18); }
  .mobile-bottom-nav a { display: flex; flex-direction: column; align-items: center; gap: 2px; color: #eef2ff; text-decoration: none; font-size: 11px; }
  .mobile-bottom-nav span { font-size: 18px; }
  .drawer-nav { grid-template-columns: 1fr; }
}
@media (max-width: 460px) {
  .channel-pills { grid-template-columns: 1fr; }
  .highlight-grid { grid-template-columns: 1fr; }
  .hero-copy h1 { font-size: 74px; }
  .hero-copy h2 { font-size: 30px; }
  .hero-actions > * { width: 100%; }
  .hero-visual { min-height: 340px; }
  .floating-card { display: none; }
  .section-title { font-size: 32px; }
  .faq-page-list p { padding-left: 0; }
}